Clamping device and hydraulic clamping device

[0066] This embodiment provides a clamping device 10, which is different from the existing clamps. The clamping device 10 can use hydraulic pressure or air pressure as power to effectively clamp the clamped object.

[0067] Please refer to figure 1 and figure 2 , figure 1 It shows the specific structure of the clamping device 10 in the first viewing angle in this embodiment. figure 2 It shows the specific structure of the clamping device 10 in the second viewing angle in this embodiment.

[0068] The clamping device 10 is suitable for both pneumatic and hydraulic driving methods. Specifically, the clamping device 10 includes a base 11 , a sliding sleeve 12 , clamping slips 13 and a fixed taper sleeve 14 .

[0069] The base body 11 has opposite first end 111 and second end 112 , inside the base body 11 there is a movable cavity 90 , and the movable cavity 90 runs through the first end 111 and the second end 112 .

[0070] The sliding sleeve 12 is slidably disposed in the mov